1. Carbon Nanomaterials Design Laboratory; Research Institute of Advanced Materials and Department of Materials Science and Engineering; Seoul National University; Seoul 151-744 Republic of Korea
2. Department of Applied Nano Mechanics; Nano Mechanical Systems Research Division; Korea Institute of Machinery and Materials (KIMM); Daejeon 34103 Republic of Korea
3. WCSL of Integrated Human Airway-on-a-chip; Department of Chemical Engineering; Inha University; Incheon 402-751 Republic of Korea